Albert francis jones



(No Model.)

A. F. JONES.

FEEDING ATTACHMENT FOR TAN PRESSES.

No. 451,304. Patented Apr. 28,1891.

A TTOHNE Y8 NITED STATES ATENT Fries.-

ALBERT FRANCIS JONES, OF SALEM, MASSACHUSETTS, ASSIGNOR TO HIMSELF AND JOSEPH H. POOR, OF SAME PLACE.

FEEDING ATTACHMENT FOR TAN-PRESSES.

SPECIFICATION forming part of Letters Patent No. 451,304, dated April 28, 1891.

Application filed October 18, 1890. Serial No.368,545. (N model.)

To all whom it may concern: Through the rear face of the crib the for- Be it known that I, ALBERT FRANCIS JONES, ward ends of one or more shafts are introof Salem, in the county of Essex and State of duced, which shafts are preferably two in Massachusetts, have invented a new and usenumber, and are given a downward and rear- 5 ful Feeding Attachment for Tan-Presses, of ward inclination. The rear ends of the shafts which the following is afull, clear, and exact are held to turn in bearings 16, formedupon description. the upper ends of standards 17, secured to the My invention relates to a feeding attachbase of the press, and upon the rear ext-remment for tan-presses, and has for its object to ity of each shaft a beveled gear 18 is rigidly [0 provide a simple agitating device capable of secured, and the bevel-gears 18 of the shafts 6o attachment to any tan-press, and which will are made to mesh with bevel-pinions 19, atconstantly and steadily feed the bark shavtached to a rear shaft 20, which shaft is reings to the pressure-rolls of the press. volved in any suitable or approvedmanner. The invention consists in the novel con- Upon the forward end of each shaft within 15 struction and combination of the several parts, the crib an agitator A is firmly fastened. as will be hereinafter fully set forth, and Each agitator is alike in construction, and pointed out in the claims. consists of a hub 21, and arms 22 radially pro- Referenoe is to be had to the accompanying jected from said hub, which arms are located drawings, forminga part of this specification, at in tervals upon the hub, one being, for in- 20 in which similar figures and letters of referstance, situated near the forward end, another ence indicate corresponding parts in all the near the center, and a third near the rear end views. of the hub, as is best shown in Fig. 1. Thus Figure 1 is atransverse section through the each arm travels in a path of its own. press, taken on the line moot Fig. 2; and Fig. When the shafts 15 are revolved and the 25 2 is a longitudinal section through the press agitators are set thereby in motion, the agi- 7; on line 1 3 of Fig. 1. tators revolve in opposite directions or in the Tanning-bark is ordinarily reduced to thin direction of each other, as shown by the arstrips or shavings before entering the press, rows in Fig. 2, and each arm of the agitator as is now almost the universal custom. In carries with it a portion ofthe tan shavings,

3o practice thefeeding-rollofthepress often fails and feeds the said shavings directly to the to properly carry the strips of tan to the presspressure-rolls, the feeding-roller 12 at the boture-rolls, and the prime object of this inven-v tom of the crib rendering material assistance; tion is to remedy such defects by providing but without the agitators A the tan shavings for a constant agitation of the tan in the dibecome bunched in the crib, and the feed- 5 rection of the pressure-rolls. roller, when they become so bunched, has but The press-crib 10 maybe of any suitable or little effect upon them. The agitators, howapproved construction. The said crib, however, effectually remedy this defect, and not ever, is ordinarily made essentially funnelonly separate the shavings,but also throw shaped, as illustrated in Fig. 1. The crib is them in front of the feed and practically be- 0 secured upon the frame 11 in the ordinary tween the pressure-rolls. 0 way, and is provided at its bottom at or near It will be understood that any required num the rear side with an opening, in which openher of agitators and driving-shafts therefor ing the feed-roller 12 revolves, about half of may be employed. Two agitators, however, the peripheral surface of the roller being as heretofore mentioned, are ordinarily suffi- 4 5 within the crib. Another opening is also procient. duced in the front of the crib at the bottom Having thus described my invention, I thereof, and in front of this opening, in essenclaim as new and desire to secure by Letters tial contact with the walls thereof, the two Patentpressure-rolls 13 and 14 of the crib are held 1. The combination, with a tan-press, of re- 5 to revolve in suitable bearings. volving agitators in the crib of the press, the

axes of the agitators being inclined and approximately at right angles to the axes of the pressure-rolls, substantially as described.

2. The'coinbinationpviththecriband press- 7 clined shafts projecting into the crib of the press above the feed-roller and at right angles to the pressure-rolls, agitator-arms secured to the ends of the shafts within the crib, and means for revolving the shafts in opposite directions toward each other, substantially herein shown and described.

ALBERT FRANCIS JONES.

\Vitnesses:

SARAH T. HILL, ANNIE M. KELLY. 

